WARNING: line length of 106 exceeds 80 columns
#143: FILE: kernel/bpf/helpers.c:2759:
+			return skb_header_pointer(ptr->data, ptr->offset + offset, len, buffer__nullable);

WARNING: line length of 96 exceeds 80 columns
#156: FILE: kernel/bpf/helpers.c:2770:
+		bpf_xdp_copy_buf(ptr->data, ptr->offset + offset, buffer__nullable, len, false);

WARNING: line length of 93 exceeds 80 columns
#164: FILE: kernel/bpf/helpers.c:2776:
+		err = bpf_file_fetch_bytes(ptr->data, offset, buffer__nullable, buffer__szk);

WARNING: line length of 84 exceeds 80 columns
#225: FILE: kernel/bpf/verifier.c:12514:
+	    (is_kfunc_arg_mem_size(meta->btf, &args[argno + 1], &regs[regno + 1]) ||

WARNING: line length of 89 exceeds 80 columns
#226: FILE: kernel/bpf/verifier.c:12515:
+	     is_kfunc_arg_const_mem_size(meta->btf, &args[argno + 1], &regs[regno + 1])))

WARNING: line length of 86 exceeds 80 columns
#237: FILE: kernel/bpf/verifier.c:12526:
+	if (is_kfunc_arg_nullable(meta->btf, &args[argno]) && register_is_null(reg) &&

WARNING: line length of 105 exceeds 80 columns
#259: FILE: kernel/bpf/verifier.c:13573:
+			if (!register_is_null(buff_reg) || !is_kfunc_arg_nullable(meta->btf, buff_arg)) {

total: 0 errors, 7 warnings, 0 checks, 191 lines checked

NOTE: For some of the reported defects, checkpatch may be able to
      mechanically convert to the typical style using --fix or --fix-inplace.

Commit c5982219e811 ("bpf: Replace __opt annotation with __nullable for kfuncs") has style problems, please review.

NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE FILE_PATH_CHANGES GIT_COMMIT_ID MACRO_ARG_REUSE NO_AUTHOR_SIGN_OFF

NOTE: If any of the errors are false positives, please report
      them to the maintainer, see CHECKPATCH in MAINTAINERS.
total: 0 errors, 7 warnings, 0 checks, 191 lines checked